Equipment for Mechanically Harvesting Eggs of Heliothis Virescens (Lepidoptera: Noctuidae)

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An improved Heliothis virescens F. egg harvester was designed, constructed, and evaluated. The machine automatically removes eggs oviposited on screens, recycles the wash solution (sodium hypochlorite) for reuse, and rinses the eggs with tap water. Results showed that H. virescens eggs removed mechanically with the egg harvester hatched as well as eggs removed manually. Daily collection rates over a 60-d test period averaged 360,000 eggs. On peak day of egg collection, =700,000 eggs were collected in y20 min. The improved machine has built-in features for limiting the time eggs are exposed to the sodium hypochlorite solution, immediately rinsing the eggs with tap water, and a feature to prevent harvest of eggs if the collection screen is not properly in place.

Document Type: Research Article

Publication date: December 1, 1992

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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